ad·vice / ədˈvīs/ • n. guidance or recommendations concerning prudent future action, typically given by someone regarded as knowledgeable or authoritative: she visited the island on her doctor's advice. ∎  a formal notice of a financial transaction: remittance advices. ∎ archaic information; news: fresh advices from EuropePHRASES: take someone's advice act according to recommendations given: he took my advice and put his house up for sale.

advice †opinion XIII; †deliberation; counsel XIV; information given XV. ME. avis — (O)F. :- Rom. *advīsum, f. L. AD- + vīsum, n. pp. of vidēre see (vidērī seem); cf. WIT2.
So advise XIII. ME. avisen — (O)F. aviser (refash. after L. as †adviser) :- Rom. *advīsāre, f. -vīsāre, for L. vīsere, f. vidēre.